13420324 has 6 divisors (see below), whose sum is σ = 23485574. Its totient is φ = 6710160.

The previous prime is 13420321. The next prime is 13420331. The reversal of 13420324 is 42302431.

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 1517824 = 3450^2 + 1232^2 .

It is not an unprimeable number, because it can be changed into a prime (13420321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1677537 + ... + 1677544.

Almost surely, 2^13420324 is an apocalyptic number.

It is an amenable number.

13420324 is a deficient number, since it is larger than the sum of its proper divisors (10065250).

13420324 is a wasteful number, since it uses less digits than its factorization.

13420324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355085 (or 3355083 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13420324 is about 3663.3760385743. The cubic root of 13420324 is about 237.6407970319.

Adding to 13420324 its reverse (42302431), we get a palindrome (55722755).

The spelling of 13420324 in words is "thirteen million, four hundred twenty thousand, three hundred twenty-four".